Difference between revisions of "TOPS-20"

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{{Infobox OS
 
{{Infobox OS
 
| name = TOPS-20
 
| name = TOPS-20
 +
| creator = [[DEC]]
 +
| year introduced = 1976
 +
| type = Multi-tasking, multi-user, virtual memory
 
| architecture = [[PDP-10]]
 
| architecture = [[PDP-10]]
 
}}
 
}}
 +
  
 
'''TOPS-20''' is an [[operating system]] for the [[PDP-10]], [[DECSYSTEM-20]]. It was descended from [[TENEX]], an operating system for a modified version of the earlier [[KA10]] PDP-10; hence its nickname of '''TWENEX'''.
 
'''TOPS-20''' is an [[operating system]] for the [[PDP-10]], [[DECSYSTEM-20]]. It was descended from [[TENEX]], an operating system for a modified version of the earlier [[KA10]] PDP-10; hence its nickname of '''TWENEX'''.

Revision as of 19:33, 2 April 2022


TOPS-20
Type: Multi-tasking, multi-user, virtual memory
Creator: DEC
Architecture: PDP-10
Date Released: 1976


TOPS-20 is an operating system for the PDP-10, DECSYSTEM-20. It was descended from TENEX, an operating system for a modified version of the earlier KA10 PDP-10; hence its nickname of TWENEX.

Basic Use

Networking

TOPS-20 can work with DECnet and with TCP/IP. It was a popular machine on the Internet during its early days (1980s).

MIT added support for CHAOSnet.

Devices

How to get this running

TOPS-20 can run under emulation in SIMH, KLH10, and kx10.